Tag fan works only on fan on fan won t run

Latest 34++ Blower Motor Works But No Heat

Latest 34++ Blower Motor Works But No Heat. Its your blower motor resistor.its either bad connection or faulty resistor.its located on passenger side near floor mounted on heat duct.wiggle the connector with your ignition and fan. I'm definitely a novice when it comes to hvac, but have been noticing this problem happening intermittently the last week where my nest thermostat says it is heating, but the fan is just blowing cold air through the house and the temperature keeps falling.